Home / 120,878.38-181,353.79-48,794.17

Finding the Fourth Proportional to 120,878.38, 181,353.79 and 48,794.17

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Solution

The fourth proportional to 120,878.38, 181,353.79 and 48,794.17 is: 73,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,878.38 : 181,353.79 = 48,794.17 : x
  2. Step 2: Convert to fraction form
    120,878.38/181,353.79 = 48,794.17/x
  3. Step 3: Cross multiply
    120,878.38x = 181,353.79 × 48,794.17
  4. Step 4: Simplify right side
    120,878.38x = 8,849,007,842.64
  5. Step 5: Solve for x
    x = 8,849,007,842.64/120,878.38
  6. Step 6: Final answer
    x = 73,205.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.